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It’s about good IAQ for occupancy
The idea behind this credit is to ensure good indoor air quality (IAQIndoor air quality: The quality and attributes of indoor air affecting the health and comfort building occupants. IAQ encompasses available fresh air, contaminant levels, acoustics and noise levels, lighting quality, and other factors.) for a project for occupancy. IEQc3.2 can be seen as a belt-and-suspenders credit: even if the IEQc4: Low-Emitting Materials credits are pursued, along with IEQc3.1: Construction IAQ Management—During Construction, IEQc3.2 ensures that the building ends up with the intended result. (Although it’s typical to do so, you don’t have to pursue any...
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6 Comments
Off gasing furniture
Is it possible to off-gas the furniture off-site or in another space? We have a CI project in a new Core & Shell. The CI needs to open by a certain date so the flush-out is on a critical path. The remainder of the Core & Shell will be flushed out on a separate schedule. The developer has offered to place furniture that does not make it into the CI space in time for the initial phase of the CI flush out to be placed in the CS space when it gets flushed out after which it will be moved into the CI space. This seems to meet the intent of the credit.
Seema Pandya replied Sustainability Manager, YRG sustainability Jan 05 2010
Peter, I would agree with your approach as it does meet the intent of the credit as long as you are tracking the change over of 14,000 cf of outdoor air at the prescribed humidity and temperature at the off-site location. You might even be able to change over the air faster if the furniture is placed in a smaller storage area and stronger fans are used to pump fresh air into this concentrated area. Since this is an alternative approach, I would suggest you provide as much backup documentation as possible to the GBCI/USGBC including photos, a narrative, and detailed calculations.
Flush monitoring requirements
We have a project with two types of spaces, one is a naturally ventilated warehouse and the other is office with package units. At a local ashrae meeting the speaker stated that to achieve the building flush credit , there would have to be devices in place to prove the purge (air flow monitoring stations). Is this true? Currently an EMS system is not included in the specifications.
Tristan Roberts replied Editor – LEEDuser, BuildingGreen, LLC Jan 20 2010
Mary, to the best of my knowledge, you're not required to prove through actual measurements that the right amount of air flow was provided.
You simply have to provide a plan showing that you can provide the airflow, and record how/when you did it.
Areas of question
We have a food distribution warehouse. Would the 82,000 sq foot freezer need IAQIndoor air quality: The quality and attributes of indoor air affecting the health and comfort building occupants. IAQ encompasses available fresh air, contaminant levels, acoustics and noise levels, lighting quality, and other factors. testing? Can I assume that the cooling tower and engine room would not require testing? The engine room would never pass an IAQ test.
Thanks
Shannon Gray replied Consultant, YRG sustainability Apr 21 2010
I would think that you only need to provide IAQIndoor air quality: The quality and attributes of indoor air affecting the health and comfort building occupants. IAQ encompasses available fresh air, contaminant levels, acoustics and noise levels, lighting quality, and other factors. testing in areas that are occupied. So, if the freezer space has people working in it on a regular basis then you would probably have to have an IAQ test. Same would go for the cooling tower and engine rooms.
Shannon
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